The word clericalism is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 22
Highest Scoring Words With Friends™ Play In The Letters clericalism
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Seven Letter Word Alert: (32 words)
aircell, calicle, callers, cellars, ceramic, circles, claimer, clerics, eclairs, icicles, laicise, mailers, malices, micella, millers, miracle, miscall, racemic, rallies, realism, recalls, reclaim, remails, scalier, scleral, silicle, sillier, similar, siriema, slimier, smaller, smilier